The Contribution of the Brazilian Dental Journal to the Brazilian Scientific Research over 30 Years

Abstract The Brazilian Dental Journal (BDJ) was officially launched in 1990, stimulated by the courage and boldness of researchers dedicated to teaching and research in dentistry. The journal was conceived in a worldwide coverage and universal language to allow publication of the results of Brazilian studies, which otherwise would not be accessible to the scientific dental community. In the year we celebrate the thirtieth anniversary of BDJ, this article presents a brief overview of Brazilian dental research and a bibliometric analysis of the articles published in this journal as a contribution to our readers and fellow researchers. The purpose was to identify the mot frequent categories of study, the most published areas of dentistry and BDJ’s top 50 most-cited articles in the Scopus and Google Scholar databases. A search was performed on all BDJ online issues published from 1990 to 2019. In this period, BDJ published 1,710 articles. Based on their distribution by category of study, 557 articles were in the basic research/dental materials area, 527 in the basic research/biology area and 280 in the clinical research area. Eight articles were cited more than 100 times in the Scopus database and 266 times in the Google Scholar database. Endodontics was the most published area. This overview of BDJ production over those 30 years allows establishing a profile of the characteristics, impact and trends of the published studies, as well as the journal’s contribution to the top 50 most-cited articles in the Scopus and Google Scholar databases.

摘要：巴西牙科期刊（Brazilian Dental Journal，BDJ）于1990年正式创刊，其创办源于一众致力于牙科教学与研究的学者所秉持的勇气与开拓精神。该期刊以全球视野与通用语言搭建刊载平台，旨在发表巴西本土研究成果——否则这些成果将无法为国际牙科科研共同体所获取。值此BDJ创刊三十周年之际，本文将简要概述巴西牙科研究现状，并对该期刊刊载的论文开展文献计量分析，以期为读者与同行研究者提供参考。本研究旨在明确最常见的研究类别、牙科领域刊载量最高的研究方向，以及Scopus与Google Scholar数据库中BDJ被引次数排名前50的论文。研究检索了1990年至2019年间BDJ在线刊发的全部刊文。在此期间，BDJ共刊载论文1710篇。按研究类别分布统计，557篇属于基础研究/牙科材料领域，527篇属于基础研究/生物学领域，280篇属于临床研究领域。在Scopus数据库中，有8篇论文被引次数超100次；在Google Scholar数据库中，单篇最高被引次数达266次。牙髓病学是刊载量最高的研究领域。本次对BDJ三十年刊载成果的概述，可厘清该期刊刊载论文的特征、影响力与发展趋势，同时阐明其在Scopus与Google Scholar数据库前50高被引论文中所作出的学术贡献。